Praktika T-04(K) speedgate
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Fig. 14 General view of card collector board
6.2. Connecting power supply
Card collector is powered by a 12 V DC voltage source. Maximum
consumption is present in the mode of card collection - 1.5A.
Locate the PS unit to be accessible for operator. Connect PS cable to
the card collector board. Connect (+) and (-) contacts of power supply to
(+ 12V) and (GND) contacts on the board respectively (Fig. 14). When the
card collector board is powered, D11 LED indicator will turn on.
Make sure that cable is connected securely.